Heat treatment furnace and oxidation test method

A technology of heat treatment furnace and oxidation test, applied in furnaces, furnace types, lighting and heating equipment, etc., can solve problems such as waste of financial and material resources, and achieve the effect of improving test efficiency

Inactive Publication Date: 2020-03-03
AECC COMML AIRCRAFT ENGINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If in order to reduce test events, it is necessary to purchase a large number of heat treatment furnaces at one time, which will waste a lot of financial and material resources

Method used

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  • Heat treatment furnace and oxidation test method

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Embodiment Construction

[0022] A variety of different implementations or examples for implementing the described subject technical solutions are disclosed below. In order to simplify the disclosure, the following describes the specific examples of each component and arrangement, of course, these are only examples, not limiting the protection scope of the present invention. For example, the description that the first feature described later in the description is formed on or above the second feature may include an embodiment in which the first and second features are formed through direct contact, and may also include an embodiment in which the first and second features are formed between the first and second features. Embodiments of additional features such that there may be no direct relationship between the first and second features. Additionally, reference numerals and / or letters may be repeated in different instances in these disclosures. This repetition is for brevity and clarity and does not i...

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Abstract

The invention designs a heat treatment furnace for an oxidation test and a test method. The heat treatment furnace for the oxidation test comprises a furnace body, a plurality of heating units and a controller, wherein the furnace body comprises a furnace door, and an opening of the furnace body can be closed through the furnace door; the multiple heating units are independent of each other to heat a space inside the furnace body; the controller controls the heating powers of all of the independent heating units; and the multiple independent heating units are distributed in the length direction of the furnace body, the multiple heating units are in one-to-one correspondence to a plurality of temperature zones distributed in the length direction of the furnace body, the furnace door is located at one end of the length direction of the furnace body, the furnace door further comprises a water cooling or liquid nitrogen cooling system for cooling the furnace door, and the temperature of the temperature zones is decreased from one end to the other end to form a gradient temperature field with the lowest temperature being room temperature to 100 DEG C and the highest temperature to 1300DEG C. The heat treatment furnace and the test method have the advantages of high test efficiency and the like.

Description

technical field [0001] The invention belongs to the technical field of material property testing, and in particular relates to a heat treatment furnace and a testing method for oxidation testing. Background technique [0002] In engineering applications, in order to quickly and efficiently conduct failure analysis, companies, especially in the aerospace field, usually need to do a large number of oxidation tests to establish the color change of different materials after oxidation at different temperatures, different environments and different times map. For example, titanium alloys are commonly used in the aviation field, which easily react with oxygen during machining and heat treatment, causing thermal damage to the material. This kind of thermal damage of materials not only manifests as easy-to-observe external damage such as melting and color changes, but also leads to changes in mechanical properties. Therefore, the study of the correspondence between alloy surface col...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B17/02G01L21/00
CPCF27B17/02G01L21/00
Inventor 杨超张露
Owner AECC COMML AIRCRAFT ENGINE CO LTD
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